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Revision 1.54 by root, Sun Jan 8 01:59:29 2006 UTC vs.
Revision 1.246 by root, Fri Dec 26 18:58:19 2014 UTC

1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Everytime a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	=head2 Prepackaged Extensions	31	You can disable the embedded perl interpreter by setting both "perl-ext"
		32	and "perl-ext-common" resources to the empty string.
32		33
33	This section describes the extensiosn delivered with this version. You can	34	=head1 PREPACKAGED EXTENSIONS
34	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	35
		36	A number of extensions are delivered with this release. You can find them
		37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
35		39
36	You can activate them like this:	40	You can activate them like this:
37		41
38	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
39		43
40	=over 4	44	Or by adding them to the resource for extensions loaded by default:
41		45
42	=item selection (enabled by default)	46	URxvt.perl-ext-common: default,selection-autotransform
43		47
44	Intelligent selection. This extension tries to be more intelligent when	48	Extensions may add additional resources and C<actions>, i.e., methods
45	the user extends selections (double-click). Right now, it tries to select	49	which can be bound to a key and invoked by the user. An extension can
46	urls and complete shell-quoted arguments, which is very convenient, too,	50	define the resources it support and also default bindings for one or
47	if your F<ls> supports C<--quoting-style=shell>.	51	more actions it provides using so called META comments, described
		52	below. Similarly to builtin resources, extension resources can also be
		53	specified on the command line as long options (with C<.> replaced by
		54	C<->), in which case the corresponding extension is loaded
		55	automatically. For this to work the extension B<must> define META
		56	comments for its resources.
48		57
49	It also offers the following bindable event:	58	=head1 API DOCUMENTATION
50
51	=over 4
52
53	=item rot13
54
55	Rot-13 the selection when activated. Used via keyboard trigger:
56
57	URxvt.keysym.C-M-r: perl:selection:rot13
58
59	=back
60
61	=item option-popup (enabled by default)
62
63	Binds a popup menu to Ctrl-Button3 that lets you toggle (some) options at
64	runtime.
65
66	=item digital-clock
67
68	Displays a digital clock using the built-in overlay.
69
70	=item mark-urls
71
72	Uses per-line display filtering (C<on_line_update>) to underline urls.
73
74	=item block-graphics-to-ascii
75
76	A not very useful example of filtering all text output to the terminal,
77	by replacing all line-drawing characters (U+2500 .. U+259F) by a
78	similar-looking ascii character.
79
80	=item example-refresh-hooks
81
82	Displays a very simple digital clock in the upper right corner of the
83	window. Illustrates overwriting the refresh callbacks to create your own
84	overlays or changes.
85
86	=back
87		59
88	=head2 General API Considerations	60	=head2 General API Considerations
89		61
90	All objects (such as terminals, time watchers etc.) are typical	62	All objects (such as terminals, time watchers etc.) are typical
91	reference-to-hash objects. The hash can be used to store anything you	63	reference-to-hash objects. The hash can be used to store anything you
…		…
103		75
104	=over 4	76	=over 4
105		77
106	=item $text	78	=item $text
107		79
108	Rxvt-unicodes special way of encoding text, where one "unicode" character	80	Rxvt-unicode's special way of encoding text, where one "unicode" character
109	always represents one screen cell. See L<row_t> for a discussion of this format.	81	always represents one screen cell. See L<ROW_t> for a discussion of this format.
110		82
111	=item $string	83	=item $string
112		84
113	A perl text string, with an emphasis on I<text>. It can store all unicode	85	A perl text string, with an emphasis on I<text>. It can store all unicode
114	characters and is to be distinguished with text encoded in a specific	86	characters and is to be distinguished with text encoded in a specific
…		…
117	=item $octets	89	=item $octets
118		90
119	Either binary data or - more common - a text string encoded in a	91	Either binary data or - more common - a text string encoded in a
120	locale-specific way.	92	locale-specific way.
121		93
		94	=item $keysym
		95
		96	an integer that is a valid X11 keysym code. You can convert a string
		97	into a keysym and viceversa by using C<XStringToKeysym> and
		98	C<XKeysymToString>.
		99
		100	=back
		101
		102	=head2 Extension Objects
		103
		104	Every perl extension is a perl class. A separate perl object is created
		105	for each terminal, and each terminal has its own set of extension objects,
		106	which are passed as the first parameter to hooks. So extensions can use
		107	their C<$self> object without having to think about clashes with other
		108	extensions or other terminals, with the exception of methods and members
		109	that begin with an underscore character C<_>: these are reserved for
		110	internal use.
		111
		112	Although it isn't a C<urxvt::term> object, you can call all methods of the
		113	C<urxvt::term> class on this object.
		114
		115	Additional methods only supported for extension objects are described in
		116	the C<urxvt::extension> section below.
		117
		118	=head2 META comments
		119
		120	rxvt-unicode recognizes special comments in extensions that define
		121	different types of metadata:
		122
		123	=over 4
		124
		125	=item #:META:RESOURCE:name:type:desc
		126
		127	The RESOURCE comment defines a resource used by the extension, where
		128	C<name> is the resource name, C<type> is the resource type, C<boolean>
		129	or C<string>, and C<desc> is the resource description.
		130
		131	=item #:META:BINDING:sym:action
		132
		133	The BINDING comment defines a default binding for an action provided
		134	by the extension, where C<sym> is the key combination that triggers
		135	the action, whose format is defined in the description of the
		136	B<keysym> resource in the urxvt(1) manpage, and C<action> is the name
		137	of the action method.
		138
122	=back	139	=back
123		140
124	=head2 Hooks	141	=head2 Hooks
125		142
126	The following subroutines can be declared in extension files, and will be	143	The following subroutines can be declared in extension files, and will be
127	called whenever the relevant event happens.	144	called whenever the relevant event happens.
128		145
129	The first argument passed to them is an object private to each terminal	146	The first argument passed to them is an extension object as described in
130	and extension package. You can call all C<urxvt::term> methods on it, but	147	the in the C<Extension Objects> section.
131	its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
132	object that is shared between all packages is stored in the C<term>
133	member. It is, however, blessed intot he package of the extension script,
134	so for all practical purposes you can treat an extension script as a class.
135		148
136	All of them must return a boolean value. If it is true, then the event	149	B<All> of these hooks must return a boolean value. If any of the called
137	counts as being I<consumed>, and the invocation of other hooks is skipped,	150	hooks returns true, then the event counts as being I<consumed>, and the
138	and the relevant action might not be carried out by the C++ code.	151	relevant action might not be carried out by the C++ code.
139		152
140	When in doubt, return a false value (preferably C<()>).	153	I<< When in doubt, return a false value (preferably C<()>). >>
141		154
142	=over 4	155	=over 4
143		156
144	=item on_init $term	157	=item on_init $term
145		158
146	Called after a new terminal object has been initialized, but before	159	Called after a new terminal object has been initialized, but before
147	windows are created or the command gets run. Most methods are unsafe to	160	windows are created or the command gets run. Most methods are unsafe to
148	call or deliver senseless data, as terminal size and other characteristics	161	call or deliver senseless data, as terminal size and other characteristics
149	have not yet been determined. You can safely query and change resources,	162	have not yet been determined. You can safely query and change resources
150	though.	163	and options, though. For many purposes the C<on_start> hook is a better
		164	place.
		165
		166	=item on_start $term
		167
		168	Called at the very end of initialisation of a new terminal, just before
		169	trying to map (display) the toplevel and returning to the main loop.
		170
		171	=item on_destroy $term
		172
		173	Called whenever something tries to destroy terminal, when the terminal is
		174	still fully functional (not for long, though).
151		175
152	=item on_reset $term	176	=item on_reset $term
153		177
154	Called after the screen is "reset" for any reason, such as resizing or	178	Called after the screen is "reset" for any reason, such as resizing or
155	control sequences. Here is where you can react on changes to size-related	179	control sequences. Here is where you can react on changes to size-related
156	variables.	180	variables.
157		181
158	=item on_start $term	182	=item on_child_start $term, $pid
159		183
160	Called at the very end of initialisation of a new terminal, just before	184	Called just after the child process has been C<fork>ed.
161	returning to the mainloop.	185
		186	=item on_child_exit $term, $status
		187
		188	Called just after the child process has exited. C<$status> is the status
		189	from C<waitpid>.
162		190
163	=item on_sel_make $term, $eventtime	191	=item on_sel_make $term, $eventtime
164		192
165	Called whenever a selection has been made by the user, but before the	193	Called whenever a selection has been made by the user, but before the
166	selection text is copied, so changes to the beginning, end or type of the	194	selection text is copied, so changes to the beginning, end or type of the
…		…
173		201
174	Called whenever a selection has been copied, but before the selection is	202	Called whenever a selection has been copied, but before the selection is
175	requested from the server. The selection text can be queried and changed	203	requested from the server. The selection text can be queried and changed
176	by calling C<< $term->selection >>.	204	by calling C<< $term->selection >>.
177		205
178	Returning a true value aborts selection grabbing. It will still be hilighted.	206	Returning a true value aborts selection grabbing. It will still be highlighted.
179		207
180	=item on_sel_extend $term	208	=item on_sel_extend $term
181		209
182	Called whenever the user tries to extend the selection (e.g. with a double	210	Called whenever the user tries to extend the selection (e.g. with a double
183	click) and is either supposed to return false (normal operation), or	211	click) and is either supposed to return false (normal operation), or
184	should extend the selection itelf and return true to suppress the built-in	212	should extend the selection itself and return true to suppress the built-in
185	processing.	213	processing. This can happen multiple times, as long as the callback
		214	returns true, it will be called on every further click by the user and is
		215	supposed to enlarge the selection more and more, if possible.
186		216
187	See the F<selection> example extension.	217	See the F<selection> example extension.
188		218
189	=item on_view_change $term, $offset	219	=item on_view_change $term, $offset
190		220
191	Called whenever the view offset changes, i..e the user or program	221	Called whenever the view offset changes, i.e. the user or program
192	scrolls. Offset C<0> means display the normal terminal, positive values	222	scrolls. Offset C<0> means display the normal terminal, positive values
193	show this many lines of scrollback.	223	show this many lines of scrollback.
194		224
195	=item on_scroll_back $term, $lines, $saved	225	=item on_scroll_back $term, $lines, $saved
196		226
…		…
200		230
201	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,	231	It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
202	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total	232	$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
203	number of lines that will be in the scrollback buffer.	233	number of lines that will be in the scrollback buffer.
204		234
205	=item on_tty_activity $term *NYI*
206
207	Called whenever the program(s) running in the urxvt window send output.
208
209	=item on_osc_seq $term, $string	235	=item on_osc_seq $term, $op, $args, $resp
		236
		237	Called on every OSC sequence and can be used to suppress it or modify its
		238	behaviour. The default should be to return an empty list. A true value
		239	suppresses execution of the request completely. Make sure you don't get
		240	confused by recursive invocations when you output an OSC sequence within
		241	this callback.
		242
		243	C<on_osc_seq_perl> should be used for new behaviour.
		244
		245	=item on_osc_seq_perl $term, $args, $resp
210		246
211	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =	247	Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
212	operating system command) is processed. Cursor position and other state	248	operating system command) is processed. Cursor position and other state
213	information is up-to-date when this happens. For interoperability, the	249	information is up-to-date when this happens. For interoperability, the
214	string should start with the extension name and a colon, to distinguish	250	string should start with the extension name (sans -osc) and a semicolon,
215	it from commands for other extensions, and this might be enforced in the	251	to distinguish it from commands for other extensions, and this might be
216	future.	252	enforced in the future.
		253
		254	For example, C<overlay-osc> uses this:
		255
		256	sub on_osc_seq_perl {
		257	my ($self, $osc, $resp) = @_;
		258
		259	return unless $osc =~ s/^overlay;//;
		260
		261	... process remaining $osc string
		262	}
217		263
218	Be careful not ever to trust (in a security sense) the data you receive,	264	Be careful not ever to trust (in a security sense) the data you receive,
219	as its source can not easily be controleld (e-mail content, messages from	265	as its source can not easily be controlled (e-mail content, messages from
220	other users on the same system etc.).	266	other users on the same system etc.).
		267
		268	For responses, C<$resp> contains the end-of-args separator used by the
		269	sender.
221		270
222	=item on_add_lines $term, $string	271	=item on_add_lines $term, $string
223		272
224	Called whenever text is about to be output, with the text as argument. You	273	Called whenever text is about to be output, with the text as argument. You
225	can filter/change and output the text yourself by returning a true value	274	can filter/change and output the text yourself by returning a true value
226	and calling C<< $term->scr_add_lines >> yourself. Please note that this	275	and calling C<< $term->scr_add_lines >> yourself. Please note that this
227	might be very slow, however, as your hook is called for B<all> text being	276	might be very slow, however, as your hook is called for B<all> text being
228	output.	277	output.
229		278
		279	=item on_tt_write $term, $octets
		280
		281	Called whenever some data is written to the tty/pty and can be used to
		282	suppress or filter tty input.
		283
		284	=item on_tt_paste $term, $octets
		285
		286	Called whenever text is about to be pasted, with the text as argument. You
		287	can filter/change and paste the text yourself by returning a true value
		288	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		289	locale-encoded.
		290
230	=item on_line_update $term, $row	291	=item on_line_update $term, $row
231		292
232	Called whenever a line was updated or changed. Can be used to filter	293	Called whenever a line was updated or changed. Can be used to filter
233	screen output (e.g. underline urls or other useless stuff). Only lines	294	screen output (e.g. underline urls or other useless stuff). Only lines
234	that are being shown will be filtered, and, due to performance reasons,	295	that are being shown will be filtered, and, due to performance reasons,
…		…
241	later with the already-modified line (e.g. if unrelated parts change), so	302	later with the already-modified line (e.g. if unrelated parts change), so
242	you cannot just toggle rendition bits, but only set them.	303	you cannot just toggle rendition bits, but only set them.
243		304
244	=item on_refresh_begin $term	305	=item on_refresh_begin $term
245		306
246	Called just before the screen gets redrawn. Can be used for overlay	307	Called just before the screen gets redrawn. Can be used for overlay or
247	or similar effects by modify terminal contents in refresh_begin, and	308	similar effects by modifying the terminal contents in refresh_begin, and
248	restoring them in refresh_end. The built-in overlay and selection display	309	restoring them in refresh_end. The built-in overlay and selection display
249	code is run after this hook, and takes precedence.	310	code is run after this hook, and takes precedence.
250		311
251	=item on_refresh_end $term	312	=item on_refresh_end $term
252		313
253	Called just after the screen gets redrawn. See C<on_refresh_begin>.	314	Called just after the screen gets redrawn. See C<on_refresh_begin>.
254		315
		316	=item on_action $term, $string
		317
		318	Called whenever an action is invoked for the corresponding extension
		319	(e.g. via a C<extension:string> builtin action bound to a key, see
		320	description of the B<keysym> resource in the urxvt(1) manpage). The
		321	event is simply the action string. Note that an action event is always
		322	associated to a single extension.
		323
255	=item on_keyboard_command $term, $string	324	=item on_user_command $term, $string *DEPRECATED*
256		325
257	Called whenever the user presses a key combination that has a	326	Called whenever a user-configured event is being activated (e.g. via
258	C<perl:string> action bound to it (see description of the B<keysym>	327	a C<perl:string> action bound to a key, see description of the B<keysym>
259	resource in the @@RXVT_NAME@@(1) manpage).	328	resource in the urxvt(1) manpage).
		329
		330	The event is simply the action string. This interface is going away in
		331	preference to the C<on_action> hook.
		332
		333	=item on_resize_all_windows $term, $new_width, $new_height
		334
		335	Called just after the new window size has been calculated, but before
		336	windows are actually being resized or hints are being set. If this hook
		337	returns a true value, setting of the window hints is being skipped.
		338
		339	=item on_x_event $term, $event
		340
		341	Called on every X event received on the vt window (and possibly other
		342	windows). Should only be used as a last resort. Most event structure
		343	members are not passed.
		344
		345	=item on_root_event $term, $event
		346
		347	Like C<on_x_event>, but is called for events on the root window.
260		348
261	=item on_focus_in $term	349	=item on_focus_in $term
262		350
263	Called whenever the window gets the keyboard focus, before rxvt-unicode	351	Called whenever the window gets the keyboard focus, before rxvt-unicode
264	does focus in processing.	352	does focus in processing.
265		353
266	=item on_focus_out $term	354	=item on_focus_out $term
267		355
268	Called wheneever the window loses keyboard focus, before rxvt-unicode does	356	Called whenever the window loses keyboard focus, before rxvt-unicode does
269	focus out processing.	357	focus out processing.
270		358
		359	=item on_configure_notify $term, $event
		360
		361	=item on_property_notify $term, $event
		362
271	=item on_key_press $term, $event, $octets	363	=item on_key_press $term, $event, $keysym, $octets
272		364
273	=item on_key_release $term, $event	365	=item on_key_release $term, $event, $keysym
274		366
275	=item on_button_press $term, $event	367	=item on_button_press $term, $event
276		368
277	=item on_button_release $term, $event	369	=item on_button_release $term, $event
278		370
…		…
280		372
281	=item on_map_notify $term, $event	373	=item on_map_notify $term, $event
282		374
283	=item on_unmap_notify $term, $event	375	=item on_unmap_notify $term, $event
284		376
285	Called whenever the corresponding X event is received for the terminal If	377	Called whenever the corresponding X event is received for the terminal. If
286	the hook returns true, then the even will be ignored by rxvt-unicode.	378	the hook returns true, then the event will be ignored by rxvt-unicode.
287		379
288	The event is a hash with most values as named by Xlib (see the XEvent	380	The event is a hash with most values as named by Xlib (see the XEvent
289	manpage), with the additional members C<row> and C<col>, which are the row	381	manpage), with the additional members C<row> and C<col>, which are the
290	and column under the mouse cursor.	382	(real, not screen-based) row and column under the mouse cursor.
291		383
292	C<on_key_press> additionally receives the string rxvt-unicode would	384	C<on_key_press> additionally receives the string rxvt-unicode would
293	output, if any, in locale-specific encoding.	385	output, if any, in locale-specific encoding.
294		386
295	subwindow.	387	=item on_client_message $term, $event
		388
		389	=item on_wm_protocols $term, $event
		390
		391	=item on_wm_delete_window $term, $event
		392
		393	Called when various types of ClientMessage events are received (all with
		394	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
		395
		396	=item on_bell $term
		397
		398	Called on receipt of a bell character.
296		399
297	=back	400	=back
298		401
		402	=cut
		403
		404	package urxvt;
		405
		406	use utf8;
		407	use strict 'vars';
		408	use Carp ();
		409	use Scalar::Util ();
		410	use List::Util ();
		411
		412	our $VERSION = 1;
		413	our $TERM;
		414	our @TERM_INIT; # should go, prevents async I/O etc.
		415	our @TERM_EXT; # should go, prevents async I/O etc.
		416	our @HOOKNAME;
		417	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
		418	our %OPTION;
		419
		420	our $LIBDIR;
		421	our $RESNAME;
		422	our $RESCLASS;
		423	our $RXVTNAME;
		424
		425	our $NOCHAR = chr 0xffff;
		426
299	=head2 Variables in the C<urxvt> Package	427	=head2 Variables in the C<urxvt> Package
300		428
301	=over 4	429	=over 4
		430
		431	=item $urxvt::LIBDIR
		432
		433	The rxvt-unicode library directory, where, among other things, the perl
		434	modules and scripts are stored.
		435
		436	=item $urxvt::RESCLASS, $urxvt::RESCLASS
		437
		438	The resource class and name rxvt-unicode uses to look up X resources.
		439
		440	=item $urxvt::RXVTNAME
		441
		442	The basename of the installed binaries, usually C<urxvt>.
302		443
303	=item $urxvt::TERM	444	=item $urxvt::TERM
304		445
305	The current terminal. This variable stores the current C<urxvt::term>	446	The current terminal. This variable stores the current C<urxvt::term>
306	object, whenever a callback/hook is executing.	447	object, whenever a callback/hook is executing.
307		448
		449	=item @urxvt::TERM_INIT
		450
		451	All code references in this array will be called as methods of the next newly
		452	created C<urxvt::term> object (during the C<on_init> phase). The array
		453	gets cleared before the code references that were in it are being executed,
		454	so references can push themselves onto it again if they so desire.
		455
		456	This complements to the perl-eval command line option, but gets executed
		457	first.
		458
		459	=item @urxvt::TERM_EXT
		460
		461	Works similar to C<@TERM_INIT>, but contains perl package/class names, which
		462	get registered as normal extensions after calling the hooks in C<@TERM_INIT>
		463	but before other extensions. Gets cleared just like C<@TERM_INIT>.
		464
308	=back	465	=back
309		466
310	=head2 Functions in the C<urxvt> Package	467	=head2 Functions in the C<urxvt> Package
311		468
312	=over 4	469	=over 4
313		470
314	=item $term = new urxvt [arg...]
315
316	Creates a new terminal, very similar as if you had started it with
317	C<system $binfile, arg...>. Croaks (and probably outputs an error message)
318	if the new instance couldn't be created. Returns C<undef> if the new
319	instance didn't initialise perl, and the terminal object otherwise. The
320	C<init> and C<start> hooks will be called during the call.
321
322	=item urxvt::fatal $errormessage	471	=item urxvt::fatal $errormessage
323		472
324	Fatally aborts execution with the given error message. Avoid at all	473	Fatally aborts execution with the given error message (which should
325	costs! The only time this is acceptable is when the terminal process	474	include a trailing newline). Avoid at all costs! The only time this
326	starts up.	475	is acceptable (and useful) is in the init hook, where it prevents the
		476	terminal from starting up.
327		477
328	=item urxvt::warn $string	478	=item urxvt::warn $string
329		479
330	Calls C<rxvt_warn> with the given string which should not include a	480	Calls C<rxvt_warn> with the given string which should include a trailing
331	newline. The module also overwrites the C<warn> builtin with a function	481	newline. The module also overwrites the C<warn> builtin with a function
332	that calls this function.	482	that calls this function.
333		483
334	Using this function has the advantage that its output ends up in the	484	Using this function has the advantage that its output ends up in the
335	correct place, e.g. on stderr of the connecting urxvtc client.	485	correct place, e.g. on stderr of the connecting urxvtc client.
		486
		487	Messages have a size limit of 1023 bytes currently.
		488
		489	=item @terms = urxvt::termlist
		490
		491	Returns all urxvt::term objects that exist in this process, regardless of
		492	whether they are started, being destroyed etc., so be careful. Only term
		493	objects that have perl extensions attached will be returned (because there
		494	is no urxvt::term object associated with others).
336		495
337	=item $time = urxvt::NOW	496	=item $time = urxvt::NOW
338		497
339	Returns the "current time" (as per the event loop).	498	Returns the "current time" (as per the event loop).
340		499
…		…
342		501
343	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,	502	=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
344	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,	503	Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
345	Button4Mask, Button5Mask, AnyModifier	504	Button4Mask, Button5Mask, AnyModifier
346		505
		506	=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
		507	ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
		508	PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
		509	Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
		510	KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
		511	ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
		512	FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
		513
		514	=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
		515	EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
		516	GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
		517	UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
		518	ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
		519	CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
		520	SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
		521
347	Various constants for use in X events.	522	Various constants for use in X calls and event processing.
348		523
349	=back	524	=back
350		525
351	=head2 RENDITION	526	=head2 RENDITION
352		527
…		…
367		542
368	=item $rend = urxvt::OVERLAY_RSTYLE	543	=item $rend = urxvt::OVERLAY_RSTYLE
369		544
370	Return the rendition mask used for overlays by default.	545	Return the rendition mask used for overlays by default.
371		546
372	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	547	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		548	urxvt::RS_RVid, urxvt::RS_Uline
373		549
374	Return the bit that enabled bold, italic, blink, reverse-video and	550	Return the bit that enabled bold, italic, blink, reverse-video and
375	underline, respectively. To enable such a style, just logically OR it into	551	underline, respectively. To enable such a style, just logically OR it into
376	the bitset.	552	the bitset.
377		553
…		…
379		555
380	=item $background = urxvt::GET_BASEBG $rend	556	=item $background = urxvt::GET_BASEBG $rend
381		557
382	Return the foreground/background colour index, respectively.	558	Return the foreground/background colour index, respectively.
383		559
384	=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)	560	=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
385		561
386	=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)	562	=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
		563
		564	=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
387		565
388	Replace the foreground/background colour in the rendition mask with the	566	Replace the foreground/background colour in the rendition mask with the
389	specified one.	567	specified one.
390		568
391	=item $value = urxvt::GET_CUSTOM ($rend)	569	=item $value = urxvt::GET_CUSTOM $rend
392		570
393	Return the "custom" value: Every rendition has 5 bits for use by	571	Return the "custom" value: Every rendition has 5 bits for use by
394	extensions. They can be set and changed as you like and are initially	572	extensions. They can be set and changed as you like and are initially
395	zero.	573	zero.
396		574
397	=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)	575	=item $rend = urxvt::SET_CUSTOM $rend, $new_value
398		576
399	Change the custom value.	577	Change the custom value.
400		578
401	=back	579	=back
402		580
403	=cut	581	=cut
404		582
405	package urxvt;
406
407	use utf8;
408	use strict;
409	use Scalar::Util ();
410	use List::Util ();
411
412	our $TERM;
413	our @HOOKNAME;
414	our %OPTION;
415	our $LIBDIR;
416
417	BEGIN {	583	BEGIN {
418	urxvt->bootstrap;
419
420	# overwrite perl's warn	584	# overwrite perl's warn
421	*CORE::GLOBAL::warn = sub {	585	*CORE::GLOBAL::warn = sub {
422	my $msg = join "", @_;	586	my $msg = join "", @_;
423	$msg .= "\n"	587	$msg .= "\n"
424	unless $msg =~ /\n$/;	588	unless $msg =~ /\n$/;
425	urxvt::warn ($msg);	589	urxvt::warn ($msg);
426	};	590	};
427	}	591	}
428		592
429	my @hook_count;	593	no warnings 'utf8';
		594
		595	sub parse_resource {
		596	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		597
		598	$term->scan_extensions;
		599
		600	my $r = $term->{meta}{resource};
		601	keys %$r; # reset iterator
		602	while (my ($k, $v) = each %$r) {
		603	my $pattern = $k;
		604	$pattern =~ y/./-/ if $isarg;
		605	my $prefix = $name;
		606	my $suffix;
		607	if ($pattern =~ /\-$/) {
		608	$prefix = substr $name, 0, length $pattern;
		609	$suffix = substr $name, length $pattern;
		610	}
		611	if ($pattern eq $prefix) {
		612	$name = "$urxvt::RESCLASS.$k$suffix";
		613
		614	push @{ $term->{perl_ext_3} }, $v->[0];
		615
		616	if ($v->[1] eq "boolean") {
		617	$term->put_option_db ($name, $flag ? "true" : "false");
		618	return 1;
		619	} else {
		620	$term->put_option_db ($name, $value);
		621	return 1 + 2;
		622	}
		623	}
		624	}
		625
		626	0
		627	}
		628
		629	sub usage {
		630	my ($term, $usage_type) = @_;
		631
		632	$term->scan_extensions;
		633
		634	my $r = $term->{meta}{resource};
		635
		636	for my $pattern (sort keys %$r) {
		637	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		638
		639	$desc .= " (-pe $ext)";
		640
		641	if ($usage_type == 1) {
		642	$pattern =~ y/./-/;
		643	$pattern =~ s/-$/-.../g;
		644
		645	if ($type eq "boolean") {
		646	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		647	} else {
		648	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		649	}
		650	} else {
		651	$pattern =~ s/\.$/.*/g;
		652	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		653	}
		654	}
		655	}
		656
430	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	657	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
431		658
432	sub verbose {	659	sub verbose {
433	my ($level, $msg) = @_;	660	my ($level, $msg) = @_;
434	warn "$msg\n" if $level <= $verbosity;	661	warn "$msg\n" if $level <= $verbosity;
435	}	662	}
436		663
437	# find on_xxx subs in the package and register them
438	# as hooks
439	sub register_package($) {
440	my ($pkg) = @_;
441
442	for my $htype (0.. $#HOOKNAME) {
443	my $name = $HOOKNAME[$htype];
444
445	my $ref = $pkg->can ("on_" . lc $name)
446	or next;
447
448	$TERM->{_hook}[$htype]{$pkg} = $ref;
449	$hook_count[$htype]++
450	or set_should_invoke $htype, 1;
451	}
452	}
453
454	my $extension_pkg = "extension0000";
455	my %extension_pkg;	664	my %extension_pkg;
456		665
457	# load a single script into its own package, once only	666	# load a single script into its own package, once only
458	sub extension_package($) {	667	sub extension_package($) {
459	my ($path) = @_;	668	my ($path) = @_;
460		669
461	$extension_pkg{$path} ||= do {	670	$extension_pkg{$path} ||= do {
462	my $pkg = "urxvt::" . ($extension_pkg++);	671	$path =~ /([^\/\\]+)$/;
		672	my $pkg = $1;
		673	$pkg =~ s/[^[:word:]]/_/g;
		674	$pkg = "urxvt::ext::$pkg";
463		675
464	verbose 3, "loading extension '$path' into package '$pkg'";	676	verbose 3, "loading extension '$path' into package '$pkg'";
		677
		678	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
465		679
466	open my $fh, "<:raw", $path	680	open my $fh, "<:raw", $path
467	or die "$path: $!";	681	or die "$path: $!";
468		682
469	my $source = "package $pkg; use strict; use utf8;\n"	683	my $source =
470	. "use base urxvt::term::proxy::;\n"	684	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
471	. "#line 1 \"$path\"\n{\n"	685	. "#line 1 \"$path\"\n{\n"
472	. (do { local $/; <$fh> })	686	. (do { local $/; <$fh> })
473	. "\n};\n1";	687	. "\n};\n1";
474		688
		689	eval $source
475	eval $source or die "$path: $@";	690	or die "$path: $@";
476		691
477	$pkg	692	$pkg
478	}	693	}
479	}	694	}
480		695
…		…
483	# called by the rxvt core	698	# called by the rxvt core
484	sub invoke {	699	sub invoke {
485	local $TERM = shift;	700	local $TERM = shift;
486	my $htype = shift;	701	my $htype = shift;
487		702
488	if ($htype == 0) { # INIT	703	if ($htype == HOOK_INIT) {
489	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	704	my @dirs = $TERM->perl_libdirs;
		705
		706	$TERM->scan_extensions;
		707
		708	my %ext_arg;
		709
490		710	{
491	my %want_ext;	711	my @init = @TERM_INIT;
		712	@TERM_INIT = ();
		713	$_->($TERM) for @init;
		714	my @pkg = @TERM_EXT;
		715	@TERM_EXT = ();
		716	$TERM->register_package ($_) for @pkg;
		717	}
492		718
		719	for (
493	for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	720	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		721	@{ delete $TERM->{perl_ext_3} }
		722	) {
494	if ($_ eq "default") {	723	if ($_ eq "default") {
495	$want_ext{$_}++ for qw(selection option-popup);	724
		725	$ext_arg{$_} = []
		726	for
		727	qw(selection option-popup selection-popup readline searchable-scrollback),
		728	map $_->[0], values %{ $TERM->{meta}{binding} };
		729
		730	for ($TERM->_keysym_resources) {
		731	next if /^(?:string|command|builtin|builtin-string|perl)/;
		732	next unless /^([A-Za-z0-9_\-]+):/;
		733
		734	my $ext = $1;
		735
		736	$ext_arg{$ext} = [];
		737	}
		738
496	} elsif (/^-(.*)$/) {	739	} elsif (/^-(.*)$/) {
497	delete $want_ext{$1};	740	delete $ext_arg{$1};
		741
		742	} elsif (/^([^<]+)<(.*)>$/) {
		743	push @{ $ext_arg{$1} }, $2;
		744
498	} else {	745	} else {
499	$want_ext{$_}++;	746	$ext_arg{$_} ||= [];
500	}	747	}
501	}	748	}
502		749
		750	# now register default key bindings
503	for my $ext (keys %want_ext) {	751	for my $ext (sort keys %ext_arg) {
		752	while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
		753	$TERM->bind_action ($k, "$v->[0]:$v->[1]");
		754	}
		755	}
		756
		757	for my $ext (sort keys %ext_arg) {
504	my @files = grep -f $_, map "$_/$ext", @dirs;	758	my @files = grep -f $_, map "$_/$ext", @dirs;
505		759
506	if (@files) {	760	if (@files) {
507	register_package extension_package $files[0];	761	$TERM->register_package (extension_package $files[0], $ext_arg{$ext});
508	} else {	762	} else {
509	warn "perl extension '$ext' not found in perl library search path\n";	763	warn "perl extension '$ext' not found in perl library search path\n";
510	}	764	}
511	}	765	}
		766
		767	eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
		768	warn $@ if $@;
512	}	769	}
513		770
514	$retval = undef;	771	$retval = undef;
515		772
516	if (my $cb = $TERM->{_hook}[$htype]) {	773	if (my $cb = $TERM->{_hook}[$htype]) {
517	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	774	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
518	if $verbosity >= 10;	775	if $verbosity >= 10;
519		776
520	keys %$cb;	777	if ($htype == HOOK_ACTION) {
		778	# this hook is only sent to the extension with the name
		779	# matching the first arg
		780	my $pkg = shift;
		781	$pkg =~ y/-/_/;
		782	$pkg = "urxvt::ext::$pkg";
521		783
522	while (my ($pkg, $cb) = each %$cb) {	784	$cb = $cb->{$pkg}
523	eval {	785	or return undef; #TODO: maybe warn user?
524	$retval = $cb->(	786
525	$TERM->{_pkg}{$pkg} ||= do {	787	$cb = { $pkg => $cb };
526	my $proxy = bless { }, $pkg;
527	Scalar::Util::weaken ($proxy->{term} = $TERM);
528	$proxy
529	},
530	@_,
531	) and last;
532	};
533	warn $@ if $@;#d#
534	}	788	}
535	}
536		789
537	if ($htype == 1) { # DESTROY	790	for my $pkg (keys %$cb) {
538	# remove hooks if unused	791	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
539	if (my $hook = $TERM->{_hook}) {	792	$retval ||= $retval_;
540	for my $htype (0..$#$hook) {	793
541	$hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }	794	if ($@) {
542	or set_should_invoke $htype, 0;	795	$TERM->ungrab; # better to lose the grab than the session
		796	warn $@;
543	}	797	}
544	}	798	}
545		799
		800	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
		801	if $verbosity >= 11;
		802	}
		803
		804	if ($htype == HOOK_DESTROY) {
546	# clear package objects	805	# clear package objects
547	%$_ = () for values %{ $TERM->{_pkg} };	806	%$_ = () for values %{ $TERM->{_pkg} };
548		807
549	# clear package	808	# clear package
550	%$TERM = ();	809	%$TERM = ();
551	}	810	}
552		811
553	$retval	812	$retval
554	}	813	}
555		814
556	sub urxvt::term::proxy::AUTOLOAD {	815	sub SET_COLOR($$$) {
557	$urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/	816	SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
		817	}
		818
		819	sub rend2mask {
		820	no strict 'refs';
		821	my ($str, $mask) = (@_, 0);
		822	my %color = ( fg => undef, bg => undef );
		823	my @failed;
		824	for my $spec ( split /\s+/, $str ) {
		825	if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
		826	$color{lc($1)} = $2;
		827	} else {
		828	my $neg = $spec =~ s/^[-^]//;
		829	unless ( exists &{"RS_$spec"} ) {
		830	push @failed, $spec;
		831	next;
		832	}
		833	my $cur = &{"RS_$spec"};
		834	if ( $neg ) {
		835	$mask &= ~$cur;
		836	} else {
		837	$mask |= $cur;
		838	}
		839	}
		840	}
		841	($mask, @color{qw(fg bg)}, \@failed)
		842	}
		843
		844	package urxvt::term::extension;
		845
		846	=head2 The C<urxvt::term::extension> class
		847
		848	Each extension attached to a terminal object is represented by
		849	a C<urxvt::term::extension> object.
		850
		851	You can use these objects, which are passed to all callbacks to store any
		852	state related to the terminal and extension instance.
		853
		854	The methods (And data members) documented below can be called on extension
		855	objects, in addition to call methods documented for the <urxvt::term>
		856	class.
		857
		858	=over 4
		859
		860	=item $urxvt_term = $self->{term}
		861
		862	Returns the C<urxvt::term> object associated with this instance of the
		863	extension. This member I<must not> be changed in any way.
		864
		865	=cut
		866
		867	our $AUTOLOAD;
		868
		869	sub AUTOLOAD {
		870	$AUTOLOAD =~ /:([^:]+)$/
558	or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable";	871	or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
559		872
560	eval qq{	873	eval qq{
561	sub $urxvt::term::proxy::AUTOLOAD {	874	sub $AUTOLOAD {
562	my \$proxy = shift;	875	my \$proxy = shift;
563	\$proxy->{term}->$1 (\@_)	876	\$proxy->{term}->$1 (\@_)
564	}	877	}
565	1	878	1
566	} or die "FATAL: unable to compile method forwarder: $@";	879	} or die "FATAL: unable to compile method forwarder: $@";
567		880
568	goto &$urxvt::term::proxy::AUTOLOAD;	881	goto &$AUTOLOAD;
569	}	882	}
		883
		884	sub DESTROY {
		885	# nop
		886	}
		887
		888	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
570		889
571	sub urxvt::destroy_hook::DESTROY {	890	sub urxvt::destroy_hook::DESTROY {
572	${$_[0]}->();	891	${$_[0]}->();
573	}	892	}
574		893
575	sub urxvt::destroy_hook(&) {	894	sub urxvt::destroy_hook(&) {
576	bless \shift, urxvt::destroy_hook::	895	bless \shift, urxvt::destroy_hook::
577	}	896	}
578		897
		898	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		899
		900	Dynamically enable the given hooks (named without the C<on_> prefix) for
		901	this extension, replacing any hook previously installed via C<enable> in
		902	this extension.
		903
		904	This is useful when you want to overwrite time-critical hooks only
		905	temporarily.
		906
		907	To install additional callbacks for the same hook, you can use the C<on>
		908	method of the C<urxvt::term> class.
		909
		910	=item $self->disable ($hook_name[, $hook_name..])
		911
		912	Dynamically disable the given hooks.
		913
		914	=cut
		915
		916	sub enable {
		917	my ($self, %hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	while (my ($name, $cb) = each %hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, +1)
		926	unless exists $self->{term}{_hook}[$htype]{$pkg};
		927
		928	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		929	}
		930	}
		931
		932	sub disable {
		933	my ($self, @hook) = @_;
		934	my $pkg = $self->{_pkg};
		935
		936	for my $name (@hook) {
		937	my $htype = $HOOKTYPE{uc $name};
		938	defined $htype
		939	or Carp::croak "unsupported hook type '$name'";
		940
		941	$self->set_should_invoke ($htype, -1)
		942	if delete $self->{term}{_hook}[$htype]{$pkg};
		943	}
		944	}
		945
		946	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		947
		948	Similar to the C<enable> enable, but installs additional callbacks for
		949	the given hook(s) (that is, it doesn't replace existing callbacks), and
		950	returns a guard object. When the guard object is destroyed the callbacks
		951	are disabled again.
		952
		953	=cut
		954
		955	sub urxvt::extension::on_disable::DESTROY {
		956	my $disable = shift;
		957
		958	my $term = delete $disable->{""};
		959
		960	while (my ($htype, $id) = each %$disable) {
		961	delete $term->{_hook}[$htype]{$id};
		962	$term->set_should_invoke ($htype, -1);
		963	}
		964	}
		965
		966	sub on {
		967	my ($self, %hook) = @_;
		968
		969	my $term = $self->{term};
		970
		971	my %disable = ( "" => $term );
		972
		973	while (my ($name, $cb) = each %hook) {
		974	my $htype = $HOOKTYPE{uc $name};
		975	defined $htype
		976	or Carp::croak "unsupported hook type '$name'";
		977
		978	$term->set_should_invoke ($htype, +1);
		979	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		980	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		981	}
		982
		983	bless \%disable, "urxvt::extension::on_disable"
		984	}
		985
		986	=item $self->x_resource ($pattern)
		987
		988	=item $self->x_resource_boolean ($pattern)
		989
		990	These methods support an additional C<%> prefix when called on an
		991	extension object - see the description of these methods in the
		992	C<urxvt::term> class for details.
		993
		994	=cut
		995
		996	sub x_resource {
		997	my ($self, $name) = @_;
		998	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		999	$self->{term}->x_resource ($name)
		1000	}
		1001
		1002	sub x_resource_boolean {
		1003	my ($self, $name) = @_;
		1004	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		1005	$self->{term}->x_resource_boolean ($name)
		1006	}
		1007
		1008	=back
		1009
		1010	=cut
		1011
		1012	package urxvt::anyevent;
		1013
		1014	=head2 The C<urxvt::anyevent> Class
		1015
		1016	The sole purpose of this class is to deliver an interface to the
		1017	C<AnyEvent> module - any module using it will work inside urxvt without
		1018	further programming. The only exception is that you cannot wait on
		1019	condition variables, but non-blocking condvar use is ok.
		1020
		1021	In practical terms this means is that you cannot use blocking APIs, but
		1022	the non-blocking variant should work.
		1023
		1024	=cut
		1025
		1026	our $VERSION = '5.23';
		1027
		1028	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
		1029	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
		1030
		1031	sub timer {
		1032	my ($class, %arg) = @_;
		1033
		1034	my $cb = $arg{cb};
		1035
		1036	urxvt::timer
		1037	->new
		1038	->after ($arg{after}, $arg{interval})
		1039	->cb ($arg{interval} ? $cb : sub {
		1040	$_[0]->stop; # need to cancel manually
		1041	$cb->();
		1042	})
		1043	}
		1044
		1045	sub io {
		1046	my ($class, %arg) = @_;
		1047
		1048	my $cb = $arg{cb};
		1049	my $fd = fileno $arg{fh};
		1050	defined $fd or $fd = $arg{fh};
		1051
		1052	bless [$arg{fh}, urxvt::iow
		1053	->new
		1054	->fd ($fd)
		1055	->events (($arg{poll} =~ /r/ ? 1 : 0)
		1056	| ($arg{poll} =~ /w/ ? 2 : 0))
		1057	->start
		1058	->cb ($cb)
		1059	], urxvt::anyevent::
		1060	}
		1061
		1062	sub idle {
		1063	my ($class, %arg) = @_;
		1064
		1065	my $cb = $arg{cb};
		1066
		1067	urxvt::iw
		1068	->new
		1069	->start
		1070	->cb ($cb)
		1071	}
		1072
		1073	sub child {
		1074	my ($class, %arg) = @_;
		1075
		1076	my $cb = $arg{cb};
		1077
		1078	urxvt::pw
		1079	->new
		1080	->start ($arg{pid})
		1081	->cb (sub {
		1082	$_[0]->stop; # need to cancel manually
		1083	$cb->($_[0]->rpid, $_[0]->rstatus);
		1084	})
		1085	}
		1086
		1087	sub DESTROY {
		1088	$_[0][1]->stop;
		1089	}
		1090
		1091	# only needed for AnyEvent < 6 compatibility
		1092	sub one_event {
		1093	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
		1094	}
		1095
		1096	package urxvt::term;
		1097
579	=head2 The C<urxvt::term> Class	1098	=head2 The C<urxvt::term> Class
580		1099
581	=over 4	1100	=over 4
582		1101
		1102	=cut
		1103
		1104	# find on_xxx subs in the package and register them
		1105	# as hooks
		1106	sub register_package {
		1107	my ($self, $pkg, $argv) = @_;
		1108
		1109	no strict 'refs';
		1110
		1111	urxvt::verbose 6, "register package $pkg to $self";
		1112
		1113	@{"$pkg\::ISA"} = urxvt::term::extension::;
		1114
		1115	my $proxy = bless {
		1116	_pkg => $pkg,
		1117	_name => ${"$pkg\::_NAME"}, # hackish
		1118	argv => $argv,
		1119	}, $pkg;
		1120	Scalar::Util::weaken ($proxy->{term} = $self);
		1121
		1122	$self->{_pkg}{$pkg} = $proxy;
		1123
		1124	for my $name (@HOOKNAME) {
		1125	if (my $ref = $pkg->can ("on_" . lc $name)) {
		1126	$proxy->enable ($name => $ref);
		1127	}
		1128	}
		1129	}
		1130
		1131	sub perl_libdirs {
		1132	map { split /:/ }
		1133	$_[0]->resource ("perl_lib"),
		1134	$ENV{URXVT_PERL_LIB},
		1135	"$ENV{HOME}/.urxvt/ext",
		1136	"$LIBDIR/perl"
		1137	}
		1138
		1139	# scan for available extensions and collect their metadata
		1140	sub scan_extensions {
		1141	my ($self) = @_;
		1142
		1143	return if exists $self->{meta};
		1144
		1145	my @libdirs = perl_libdirs $self;
		1146
		1147	# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
		1148
		1149	# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
		1150	$self->{meta} = \my %meta;
		1151
		1152	# first gather extensions
		1153	for my $dir (reverse @libdirs) {
		1154	opendir my $fh, $dir
		1155	or next;
		1156	for my $ext (readdir $fh) {
		1157	$ext !~ /^\./
		1158	and open my $fh, "<", "$dir/$ext"
		1159	or next;
		1160
		1161	my %ext = (dir => $dir);
		1162
		1163	while (<$fh>) {
		1164	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1165	my ($pattern, $type, $desc) = split /:/, $1;
		1166	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1167	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1168	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1169	} else {
		1170	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1171	}
		1172	} elsif (/^#:META:BINDING:(.*)/) {
		1173	my ($keysym, $action) = split /:/, $1;
		1174	$ext{binding}{$keysym} = [$ext, $action];
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	}
		1185
		1186	# and now merge resources and bindings
		1187	while (my ($k, $v) = each %{ $meta{ext} }) {
		1188	#TODO: should check for extensions overriding each other
		1189	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1190	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
		1191	}
		1192	}
		1193
		1194	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
		1195
		1196	Creates a new terminal, very similar as if you had started it with system
		1197	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
		1198	hash which defines the environment of the new terminal.
		1199
		1200	Croaks (and probably outputs an error message) if the new instance
		1201	couldn't be created. Returns C<undef> if the new instance didn't
		1202	initialise perl, and the terminal object otherwise. The C<init> and
		1203	C<start> hooks will be called before this call returns, and are free to
		1204	refer to global data (which is race free).
		1205
		1206	=cut
		1207
		1208	sub new {
		1209	my ($class, $env, @args) = @_;
		1210
		1211	$env or Carp::croak "environment hash missing in call to urxvt::term->new";
		1212	@args or Carp::croak "name argument missing in call to urxvt::term->new";
		1213
		1214	_new ([ map "$_=$env->{$_}", keys %$env ], \@args);
		1215	}
		1216
583	=item $term->destroy	1217	=item $term->destroy
584		1218
585	Destroy the terminal object (close the window, free resources etc.).	1219	Destroy the terminal object (close the window, free resources
		1220	etc.). Please note that urxvt will not exit as long as any event
		1221	watchers (timers, io watchers) are still active.
		1222
		1223	=item $term->exec_async ($cmd[, @args])
		1224
		1225	Works like the combination of the C<fork>/C<exec> builtins, which executes
		1226	("starts") programs in the background. This function takes care of setting
		1227	the user environment before exec'ing the command (e.g. C<PATH>) and should
		1228	be preferred over explicit calls to C<exec> or C<system>.
		1229
		1230	Returns the pid of the subprocess or C<undef> on error.
		1231
		1232	=cut
		1233
		1234	sub exec_async {
		1235	my $self = shift;
		1236
		1237	my $pid = fork;
		1238
		1239	return $pid
		1240	if !defined $pid or $pid;
		1241
		1242	%ENV = %{ $self->env };
		1243
		1244	exec @_;
		1245	urxvt::_exit 255;
		1246	}
586		1247
587	=item $isset = $term->option ($optval[, $set])	1248	=item $isset = $term->option ($optval[, $set])
588		1249
589	Returns true if the option specified by C<$optval> is enabled, and	1250	Returns true if the option specified by C<$optval> is enabled, and
590	optionally change it. All option values are stored by name in the hash	1251	optionally change it. All option values are stored by name in the hash
591	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1252	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
592		1253
593	Here is a a likely non-exhaustive list of option names, please see the	1254	Here is a likely non-exhaustive list of option names, please see the
594	source file F</src/optinc.h> to see the actual list:	1255	source file F</src/optinc.h> to see the actual list:
595		1256
596	borderLess console cursorBlink cursorUnderline hold iconic insecure	1257	borderLess buffered console cursorBlink cursorUnderline hold iconic
597	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1258	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
		1259	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
598	pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating	1260	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
599	scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer	1261	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
600	secondaryScreen secondaryScroll skipBuiltinGlyphs transparent	1262	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
601	tripleclickwords utmpInhibit visualBell	1263	urgentOnBell utmpInhibit visualBell
602		1264
603	=item $value = $term->resource ($name[, $newval])	1265	=item $value = $term->resource ($name[, $newval])
604		1266
605	Returns the current resource value associated with a given name and	1267	Returns the current resource value associated with a given name and
606	optionally sets a new value. Setting values is most useful in the C<init>	1268	optionally sets a new value. Setting values is most useful in the C<init>
…		…
615	likely change).	1277	likely change).
616		1278
617	Please note that resource strings will currently only be freed when the	1279	Please note that resource strings will currently only be freed when the
618	terminal is destroyed, so changing options frequently will eat memory.	1280	terminal is destroyed, so changing options frequently will eat memory.
619		1281
620	Here is a a likely non-exhaustive list of resource names, not all of which	1282	Here is a likely non-exhaustive list of resource names, not all of which
621	are supported in every build, please see the source file F</src/rsinc.h>	1283	are supported in every build, please see the source file F</src/rsinc.h>
622	to see the actual list:	1284	to see the actual list:
623		1285
624	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1286	answerbackstring backgroundPixmap backspace_key blurradius
625	borderLess color cursorBlink cursorUnderline cutchars delete_key	1287	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
626	display_name embed ext_bwidth fade font geometry hold iconName	1288	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
627	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1289	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1290	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
628	italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier	1291	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
629	mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2	1292	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
630	perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd	1293	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
631	reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating	1294	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
632	scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput	1295	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
633	scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle	1296	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
634	shade term_name title transparent transparent_all tripleclickwords	1297	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
		1298	term_name title transient_for transparent tripleclickwords urgentOnBell
635	utmpInhibit visualBell	1299	utmpInhibit visualBell
636		1300
637	=cut	1301	=cut
638		1302
639	sub urxvt::term::resource($$;$) {	1303	sub resource($$;$) {
640	my ($self, $name) = (shift, shift);	1304	my ($self, $name) = (shift, shift);
641	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);	1305	unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
642	&urxvt::term::_resource	1306	goto &urxvt::term::_resource
643	}	1307	}
		1308
		1309	=item $value = $term->x_resource ($pattern)
		1310
		1311	Returns the X-Resource for the given pattern, excluding the program or
		1312	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
		1313	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
		1314	resource with that pattern exists.
		1315
		1316	Extensions that define extra resources also need to call this method
		1317	to access their values.
		1318
		1319	If the method is called on an extension object (basically, from an
		1320	extension), then the special prefix C<%.> will be replaced by the name of
		1321	the extension and a dot, and the lone string C<%> will be replaced by the
		1322	extension name itself. This makes it possible to code extensions so you
		1323	can rename them and get a new set of resources without having to change
		1324	the actual code.
		1325
		1326	This method should only be called during the C<on_start> hook, as there is
		1327	only one resource database per display, and later invocations might return
		1328	the wrong resources.
		1329
		1330	=item $value = $term->x_resource_boolean ($pattern)
		1331
		1332	Like C<x_resource>, above, but interprets the string value as a boolean
		1333	and returns C<1> for true values, C<0> for false values and C<undef> if
		1334	the resource or option isn't specified.
		1335
		1336	You should always use this method to parse boolean resources.
		1337
		1338	=cut
		1339
		1340	sub x_resource_boolean {
		1341	my $res = &x_resource;
		1342
		1343	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1344	}
		1345
		1346	=item $success = $term->bind_action ($key, $octets)
		1347
		1348	Adds a key binding exactly as specified via a C<keysym> resource. See the
		1349	C<keysym> resource in the urxvt(1) manpage.
644		1350
645	=item $rend = $term->rstyle ([$new_rstyle])	1351	=item $rend = $term->rstyle ([$new_rstyle])
646		1352
647	Return and optionally change the current rendition. Text that is output by	1353	Return and optionally change the current rendition. Text that is output by
648	the terminal application will use this style.	1354	the terminal application will use this style.
…		…
656		1362
657	=item ($row, $col) = $term->selection_beg ([$row, $col])	1363	=item ($row, $col) = $term->selection_beg ([$row, $col])
658		1364
659	=item ($row, $col) = $term->selection_end ([$row, $col])	1365	=item ($row, $col) = $term->selection_end ([$row, $col])
660		1366
661	Return the current values of the selection mark, begin or end positions,	1367	Return the current values of the selection mark, begin or end positions.
662	and optionally set them to new values.
663		1368
		1369	When arguments are given, then the selection coordinates are set to
		1370	C<$row> and C<$col>, and the selection screen is set to the current
		1371	screen.
		1372
		1373	=item $screen = $term->selection_screen ([$screen])
		1374
		1375	Returns the current selection screen, and then optionally sets it.
		1376
		1377	=item $term->selection_make ($eventtime[, $rectangular])
		1378
		1379	Tries to make a selection as set by C<selection_beg> and
		1380	C<selection_end>. If C<$rectangular> is true (default: false), a
		1381	rectangular selection will be made. This is the preferred function to make
		1382	a selection.
		1383
664	=item $success = $term->selection_grab ($eventtime)	1384	=item $success = $term->selection_grab ($eventtime[, $clipboard])
665		1385
666	Try to request the primary selection from the server (for example, as set	1386	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
667	by the next method).	1387	true) selection from the server. The corresponding text can be set
		1388	with the next method. No visual feedback will be given. This function
		1389	is mostly useful from within C<on_sel_grab> hooks.
668		1390
669	=item $oldtext = $term->selection ([$newtext])	1391	=item $oldtext = $term->selection ([$newtext, $clipboard])
670		1392
671	Return the current selection text and optionally replace it by C<$newtext>.	1393	Return the current selection (clipboard if C<$clipboard> is true) text
		1394	and optionally replace it by C<$newtext>.
672		1395
		1396	=item $term->selection_clear ([$clipboard])
		1397
		1398	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
		1399
673	#=item $term->overlay ($x, $y, $text)	1400	=item $term->overlay_simple ($x, $y, $text)
674	#	1401
675	#Create a simple multi-line overlay box. See the next method for details.	1402	Create a simple multi-line overlay box. See the next method for details.
676	#	1403
677	#=cut	1404	=cut
678	#	1405
679	#sub urxvt::term::scr_overlay {	1406	sub overlay_simple {
680	# my ($self, $x, $y, $text) = @_;	1407	my ($self, $x, $y, $text) = @_;
681	#	1408
682	# my @lines = split /\n/, $text;	1409	my @lines = split /\n/, $text;
683	#	1410
684	# my $w = 0;	1411	my $w = List::Util::max map $self->strwidth ($_), @lines;
685	# for (map $self->strwidth ($_), @lines) {	1412
686	# $w = $_ if $w < $_;
687	# }
688	#
689	# $self->scr_overlay_new ($x, $y, $w, scalar @lines);	1413	my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
690	# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;	1414	$overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
691	#}	1415
		1416	$overlay
		1417	}
692		1418
693	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])	1419	=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
694		1420
695	Create a new (empty) overlay at the given position with the given	1421	Create a new (empty) overlay at the given position with the given
696	width/height. C<$rstyle> defines the initial rendition style	1422	width/height. C<$rstyle> defines the initial rendition style
…		…
707		1433
708	The methods currently supported on C<urxvt::overlay> objects are:	1434	The methods currently supported on C<urxvt::overlay> objects are:
709		1435
710	=over 4	1436	=over 4
711		1437
712	=item $overlay->set ($x, $y, $text, $rend)	1438	=item $overlay->set ($x, $y, $text[, $rend])
713		1439
714	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1440	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
715	text in rxvt-unicode's special encoding and an array of rendition values	1441	text in rxvt-unicode's special encoding and an array of rendition values
716	at a specific position inside the overlay.	1442	at a specific position inside the overlay.
717		1443
		1444	If C<$rend> is missing, then the rendition will not be changed.
		1445
718	=item $overlay->hide	1446	=item $overlay->hide
719		1447
720	If visible, hide the overlay, but do not destroy it.	1448	If visible, hide the overlay, but do not destroy it.
721		1449
722	=item $overlay->show	1450	=item $overlay->show
…		…
731	C<$event> I<must> be the event causing the menu to pop up (a button event,	1459	C<$event> I<must> be the event causing the menu to pop up (a button event,
732	currently).	1460	currently).
733		1461
734	=cut	1462	=cut
735		1463
736	sub urxvt::term::popup {	1464	sub popup {
737	my ($self, $event) = @_;	1465	my ($self, $event) = @_;
738		1466
739	$self->grab ($event->{time}, 1)	1467	$self->grab ($event->{time}, 1)
740	or return;	1468	or return;
741		1469
…		…
763		1491
764	=item $string = $term->locale_decode ($octets)	1492	=item $string = $term->locale_decode ($octets)
765		1493
766	Convert the given locale-encoded octets into a perl string.	1494	Convert the given locale-encoded octets into a perl string.
767		1495
		1496	=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
		1497
		1498	XORs the rendition values in the given span with the provided value
		1499	(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
		1500	refresh hooks to provide effects similar to the selection.
		1501
		1502	=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
		1503
		1504	Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
		1505	whitespace will additionally be xored with the C<$rstyle2>, which defaults
		1506	to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
		1507	it instead. Both styles I<MUST NOT> contain font styles.
		1508
		1509	=item $term->scr_bell
		1510
		1511	Ring the bell!
		1512
768	=item $term->scr_add_lines ($string)	1513	=item $term->scr_add_lines ($string)
769		1514
770	Write the given text string to the screen, as if output by the application	1515	Write the given text string to the screen, as if output by the application
771	running inside the terminal. It may not contain command sequences (escape	1516	running inside the terminal. It may not contain command sequences (escape
772	codes), but is free to use line feeds, carriage returns and tabs. The	1517	codes - see C<cmd_parse> for that), but is free to use line feeds,
773	string is a normal text string, not in locale-dependent encoding.	1518	carriage returns and tabs. The string is a normal text string, not in
		1519	locale-dependent encoding.
774		1520
775	Normally its not a good idea to use this function, as programs might be	1521	Normally its not a good idea to use this function, as programs might be
776	confused by changes in cursor position or scrolling. Its useful inside a	1522	confused by changes in cursor position or scrolling. Its useful inside a
777	C<on_add_lines> hook, though.	1523	C<on_add_lines> hook, though.
778		1524
		1525	=item $term->scr_change_screen ($screen)
		1526
		1527	Switch to given screen - 0 primary, 1 secondary.
		1528
779	=item $term->cmd_parse ($octets)	1529	=item $term->cmd_parse ($octets)
780		1530
781	Similar to C<scr_add_lines>, but the argument must be in the	1531	Similar to C<scr_add_lines>, but the argument must be in the
782	locale-specific encoding of the terminal and can contain command sequences	1532	locale-specific encoding of the terminal and can contain command sequences
783	(escape codes) that will be interpreted.	1533	(escape codes) that will be interpreted.
784		1534
785	=item $term->tt_write ($octets)	1535	=item $term->tt_write ($octets)
786		1536
787	Write the octets given in C<$data> to the tty (i.e. as program input). To	1537	Write the octets given in C<$octets> to the tty (i.e. as user input
		1538	to the program, see C<cmd_parse> for the opposite direction). To pass
788	pass characters instead of octets, you should convert your strings first	1539	characters instead of octets, you should convert your strings first to the
789	to the locale-specific encoding using C<< $term->locale_encode >>.	1540	locale-specific encoding using C<< $term->locale_encode >>.
		1541
		1542	=item $term->tt_write_user_input ($octets)
		1543
		1544	Like C<tt_write>, but should be used when writing strings in response to
		1545	the user pressing a key, to invoke the additional actions requested by
		1546	the user for that case (C<tt_write> doesn't do that).
		1547
		1548	The typical use case would be inside C<on_action> hooks.
		1549
		1550	=item $term->tt_paste ($octets)
		1551
		1552	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1553	CR and bracketing the data with control sequences if bracketed paste mode
		1554	is set.
		1555
		1556	=item $old_events = $term->pty_ev_events ([$new_events])
		1557
		1558	Replaces the event mask of the pty watcher by the given event mask. Can
		1559	be used to suppress input and output handling to the pty/tty. See the
		1560	description of C<< urxvt::timer->events >>. Make sure to always restore
		1561	the previous value.
		1562
		1563	=item $fd = $term->pty_fd
		1564
		1565	Returns the master file descriptor for the pty in use, or C<-1> if no pty
		1566	is used.
790		1567
791	=item $windowid = $term->parent	1568	=item $windowid = $term->parent
792		1569
793	Return the window id of the toplevel window.	1570	Return the window id of the toplevel window.
794		1571
795	=item $windowid = $term->vt	1572	=item $windowid = $term->vt
796		1573
797	Return the window id of the terminal window.	1574	Return the window id of the terminal window.
798		1575
		1576	=item $term->vt_emask_add ($x_event_mask)
		1577
		1578	Adds the specified events to the vt event mask. Useful e.g. when you want
		1579	to receive pointer events all the times:
		1580
		1581	$term->vt_emask_add (urxvt::PointerMotionMask);
		1582
		1583	=item $term->set_urgency ($set)
		1584
		1585	Enable/disable the urgency hint on the toplevel window.
		1586
		1587	=item $term->focus_in
		1588
		1589	=item $term->focus_out
		1590
		1591	=item $term->key_press ($state, $keycode[, $time])
		1592
		1593	=item $term->key_release ($state, $keycode[, $time])
		1594
		1595	Deliver various fake events to to terminal.
		1596
799	=item $window_width = $term->width	1597	=item $window_width = $term->width
800		1598
801	=item $window_height = $term->height	1599	=item $window_height = $term->height
802		1600
803	=item $font_width = $term->fwidth	1601	=item $font_width = $term->fwidth
…		…
816		1614
817	=item $max_scrollback = $term->saveLines	1615	=item $max_scrollback = $term->saveLines
818		1616
819	=item $nrow_plus_saveLines = $term->total_rows	1617	=item $nrow_plus_saveLines = $term->total_rows
820		1618
821	=item $lines_in_scrollback = $term->nsaved	1619	=item $topmost_scrollback_row = $term->top_row
822		1620
823	Return various integers describing terminal characteristics.	1621	Return various integers describing terminal characteristics.
		1622
		1623	=item $x_display = $term->display_id
		1624
		1625	Return the DISPLAY used by rxvt-unicode.
		1626
		1627	=item $lc_ctype = $term->locale
		1628
		1629	Returns the LC_CTYPE category string used by this rxvt-unicode.
		1630
		1631	=item $env = $term->env
		1632
		1633	Returns a copy of the environment in effect for the terminal as a hashref
		1634	similar to C<\%ENV>.
		1635
		1636	=item @envv = $term->envv
		1637
		1638	Returns the environment as array of strings of the form C<VAR=VALUE>.
		1639
		1640	=item @argv = $term->argv
		1641
		1642	Return the argument vector as this terminal, similar to @ARGV, but
		1643	includes the program name as first element.
		1644
		1645	=cut
		1646
		1647	sub env {
		1648	+{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
		1649	}
824		1650
825	=item $modifiermask = $term->ModLevel3Mask	1651	=item $modifiermask = $term->ModLevel3Mask
826		1652
827	=item $modifiermask = $term->ModMetaMask	1653	=item $modifiermask = $term->ModMetaMask
828		1654
829	=item $modifiermask = $term->ModNumLockMask	1655	=item $modifiermask = $term->ModNumLockMask
830		1656
831	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often	1657	Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
832	AltGr), the meta key (often Alt) and the num lock key, if applicable.	1658	AltGr), the meta key (often Alt) and the num lock key, if applicable.
833		1659
		1660	=item $screen = $term->current_screen
		1661
		1662	Returns the currently displayed screen (0 primary, 1 secondary).
		1663
		1664	=item $cursor_is_hidden = $term->hidden_cursor
		1665
		1666	Returns whether the cursor is currently hidden or not.
		1667
834	=item $view_start = $term->view_start ([$newvalue])	1668	=item $view_start = $term->view_start ([$newvalue])
835		1669
836	Returns the negative row number of the topmost line. Minimum value is	1670	Returns the row number of the topmost displayed line. Maximum value is
837	C<0>, which displays the normal terminal contents. Larger values scroll	1671	C<0>, which displays the normal terminal contents. Lower values scroll
838	this many lines into the scrollback buffer.	1672	this many lines into the scrollback buffer.
839		1673
840	=item $term->want_refresh	1674	=item $term->want_refresh
841		1675
842	Requests a screen refresh. At the next opportunity, rxvt-unicode will	1676	Requests a screen refresh. At the next opportunity, rxvt-unicode will
…		…
845		1679
846	Used after changing terminal contents to display them.	1680	Used after changing terminal contents to display them.
847		1681
848	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])	1682	=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
849		1683
850	Returns the text of the entire row with number C<$row_number>. Row C<0>	1684	Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
851	is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost	1685	is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
852	terminal line. The scrollback buffer starts at line C<-1> and extends to
853	line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line	1686	terminal line. Nothing will be returned if a nonexistent line
854	is requested.	1687	is requested.
855		1688
856	If C<$new_text> is specified, it will replace characters in the current	1689	If C<$new_text> is specified, it will replace characters in the current
857	line, starting at column C<$start_col> (default C<0>), which is useful	1690	line, starting at column C<$start_col> (default C<0>), which is useful
858	to replace only parts of a line. The font index in the rendition will	1691	to replace only parts of a line. The font index in the rendition will
859	automatically be updated.	1692	automatically be updated.
860		1693
861	C<$text> is in a special encoding: tabs and wide characters that use more	1694	C<$text> is in a special encoding: tabs and wide characters that use more
862	than one cell when displayed are padded with urxvt::NOCHAR characters	1695	than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
863	(C<chr 65535>). Characters with combining characters and other characters	1696	characters. Characters with combining characters and other characters that
864	that do not fit into the normal tetx encoding will be replaced with	1697	do not fit into the normal text encoding will be replaced with characters
865	characters in the private use area.	1698	in the private use area.
866		1699
867	You have to obey this encoding when changing text. The advantage is	1700	You have to obey this encoding when changing text. The advantage is
868	that C<substr> and similar functions work on screen cells and not on	1701	that C<substr> and similar functions work on screen cells and not on
869	characters.	1702	characters.
870		1703
…		…
921	Return the row number of the first/last row of the line, respectively.	1754	Return the row number of the first/last row of the line, respectively.
922		1755
923	=item $offset = $line->offset_of ($row, $col)	1756	=item $offset = $line->offset_of ($row, $col)
924		1757
925	Returns the character offset of the given row|col pair within the logical	1758	Returns the character offset of the given row|col pair within the logical
926	line.	1759	line. Works for rows outside the line, too, and returns corresponding
		1760	offsets outside the string.
927		1761
928	=item ($row, $col) = $line->coord_of ($offset)	1762	=item ($row, $col) = $line->coord_of ($offset)
929		1763
930	Translates a string offset into terminal coordinates again.	1764	Translates a string offset into terminal coordinates again.
931		1765
932	=back	1766	=back
933		1767
934	=cut	1768	=cut
935		1769
936	sub urxvt::term::line {	1770	sub line {
937	my ($self, $row) = @_;	1771	my ($self, $row) = @_;
938		1772
939	my $maxrow = $self->nrow - 1;	1773	my $maxrow = $self->nrow - 1;
940		1774
941	my ($beg, $end) = ($row, $row);	1775	my ($beg, $end) = ($row, $row);
…		…
953	}	1787	}
954		1788
955	sub urxvt::line::t {	1789	sub urxvt::line::t {
956	my ($self) = @_;	1790	my ($self) = @_;
957		1791
958	if (@_ > 1)	1792	if (@_ > 1) {
959	{
960	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1793	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
961	for $self->{beg} .. $self->{end};	1794	for $self->{beg} .. $self->{end};
962	}	1795	}
963		1796
964	defined wantarray &&	1797	defined wantarray &&
965	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1798	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
966	0, $self->{len}	1799	0, $self->{len}
967	}	1800	}
968		1801
969	sub urxvt::line::r {	1802	sub urxvt::line::r {
970	my ($self) = @_;	1803	my ($self) = @_;
971		1804
972	if (@_ > 1)	1805	if (@_ > 1) {
973	{
974	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1806	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
975	for $self->{beg} .. $self->{end};	1807	for $self->{beg} .. $self->{end};
976	}	1808	}
977		1809
978	if (defined wantarray) {	1810	if (defined wantarray) {
979	my $rend = [	1811	my $rend = [
980	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1812	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
981	];	1813	];
…		…
1005	$offset / $self->{ncol} + $self->{beg},	1837	$offset / $self->{ncol} + $self->{beg},
1006	$offset % $self->{ncol}	1838	$offset % $self->{ncol}
1007	)	1839	)
1008	}	1840	}
1009		1841
1010	=item ($row, $col) = $line->coord_of ($offset)
1011	=item $text = $term->special_encode $string	1842	=item $text = $term->special_encode $string
1012		1843
1013	Converts a perl string into the special encoding used by rxvt-unicode,	1844	Converts a perl string into the special encoding used by rxvt-unicode,
1014	where one character corresponds to one screen cell. See	1845	where one character corresponds to one screen cell. See
1015	C<< $term->ROW_t >> for details.	1846	C<< $term->ROW_t >> for details.
1016		1847
1017	=item $string = $term->special_decode $text	1848	=item $string = $term->special_decode $text
1018		1849
1019	Converts rxvt-unicodes text reprsentation into a perl string. See	1850	Converts rxvt-unicodes text representation into a perl string. See
1020	C<< $term->ROW_t >> for details.	1851	C<< $term->ROW_t >> for details.
1021		1852
		1853	=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
		1854
		1855	=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
		1856
		1857	Register/unregister a synchronous button grab. See the XGrabButton
		1858	manpage.
		1859
		1860	=item $success = $term->grab ($eventtime[, $sync])
		1861
		1862	Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
		1863	synchronous (C<$sync> is true). Also remembers the grab timestamp.
		1864
		1865	=item $term->allow_events_async
		1866
		1867	Calls XAllowEvents with AsyncBoth for the most recent grab.
		1868
		1869	=item $term->allow_events_sync
		1870
		1871	Calls XAllowEvents with SyncBoth for the most recent grab.
		1872
		1873	=item $term->allow_events_replay
		1874
		1875	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
		1876	recent grab.
		1877
		1878	=item $term->ungrab
		1879
		1880	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
		1881	evaluation errors, as it is better to lose the grab in the error case as
		1882	the session.
		1883
		1884	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
		1885
		1886	=item $atom_name = $term->XGetAtomName ($atom)
		1887
		1888	=item @atoms = $term->XListProperties ($window)
		1889
		1890	=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
		1891
		1892	=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
		1893
		1894	=item $term->XDeleteProperty ($window, $property)
		1895
		1896	=item $window = $term->DefaultRootWindow
		1897
		1898	=item $term->XReparentWindow ($window, $parent, [$x, $y])
		1899
		1900	=item $term->XMapWindow ($window)
		1901
		1902	=item $term->XUnmapWindow ($window)
		1903
		1904	=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
		1905
		1906	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
		1907
		1908	=item $term->XChangeInput ($window, $add_events[, $del_events])
		1909
		1910	=item $keysym = $term->XStringToKeysym ($string)
		1911
		1912	=item $string = $term->XKeysymToString ($keysym)
		1913
		1914	Various X or X-related functions. The C<$term> object only serves as
		1915	the source of the display, otherwise those functions map more-or-less
		1916	directly onto the X functions of the same name.
		1917
1022	=back	1918	=back
1023		1919
		1920	=cut
		1921
		1922	package urxvt::popup;
		1923
1024	=head2 The C<urxvt::popup> Class	1924	=head2 The C<urxvt::popup> Class
1025		1925
1026	=over 4	1926	=over 4
1027		1927
1028	=cut	1928	=cut
1029
1030	package urxvt::popup;
1031		1929
1032	sub add_item {	1930	sub add_item {
1033	my ($self, $item) = @_;	1931	my ($self, $item) = @_;
1034		1932
1035	$item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};	1933	$item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
…		…
1039	$item->{render} ||= sub { $_[0]{text} };	1937	$item->{render} ||= sub { $_[0]{text} };
1040		1938
1041	push @{ $self->{item} }, $item;	1939	push @{ $self->{item} }, $item;
1042	}	1940	}
1043		1941
1044	sub add_separator {	1942	=item $popup->add_title ($title)
1045	my ($self, $sep) = @_;
1046		1943
1047	$sep ||= "═";	1944	Adds a non-clickable title to the popup.
1048		1945
1049	$self->add_item ({	1946	=cut
1050	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1051	text => "",
1052	render => sub { $sep x $urxvt::TERM->ncol },
1053	activate => sub { },
1054	});
1055	}
1056		1947
1057	sub add_title {	1948	sub add_title {
1058	my ($self, $title) = @_;	1949	my ($self, $title) = @_;
1059		1950
1060	$self->add_item ({	1951	$self->add_item ({
…		…
1062	text => $title,	1953	text => $title,
1063	activate => sub { },	1954	activate => sub { },
1064	});	1955	});
1065	}	1956	}
1066		1957
		1958	=item $popup->add_separator ([$sepchr])
		1959
		1960	Creates a separator, optionally using the character given as C<$sepchr>.
		1961
		1962	=cut
		1963
		1964	sub add_separator {
		1965	my ($self, $sep) = @_;
		1966
		1967	$sep ||= "=";
		1968
		1969	$self->add_item ({
		1970	rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
		1971	text => "",
		1972	render => sub { $sep x $self->{term}->ncol },
		1973	activate => sub { },
		1974	});
		1975	}
		1976
		1977	=item $popup->add_button ($text, $cb)
		1978
		1979	Adds a clickable button to the popup. C<$cb> is called whenever it is
		1980	selected.
		1981
		1982	=cut
		1983
1067	sub add_button {	1984	sub add_button {
1068	my ($self, $text, $cb) = @_;	1985	my ($self, $text, $cb) = @_;
1069		1986
1070	$self->add_item ({ type => "button", text => "[ $text ]", activate => $cb});	1987	$self->add_item ({ type => "button", text => $text, activate => $cb});
1071	}	1988	}
		1989
		1990	=item $popup->add_toggle ($text, $initial_value, $cb)
		1991
		1992	Adds a toggle/checkbox item to the popup. The callback gets called
		1993	whenever it gets toggled, with a boolean indicating its new value as its
		1994	first argument.
		1995
		1996	=cut
1072		1997
1073	sub add_toggle {	1998	sub add_toggle {
1074	my ($self, $text, $cb, $value) = @_;	1999	my ($self, $text, $value, $cb) = @_;
1075		2000
1076	my $item; $item = {	2001	my $item; $item = {
1077	type => "button",	2002	type => "button",
1078	text => " $text",	2003	text => " $text",
1079	value => $value,	2004	value => $value,
1080	render => sub { ($item->{value} ? "* " : " ") . $text },	2005	render => sub { ($_[0]{value} ? "* " : " ") . $text },
1081	activate => sub { $cb->($item->{value} = !$item->{value}); },	2006	activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1082	};	2007	};
1083		2008
1084	$self->add_item ($item);	2009	$self->add_item ($item);
1085	}	2010	}
		2011
		2012	=item $popup->show
		2013
		2014	Displays the popup (which is initially hidden).
		2015
		2016	=cut
1086		2017
1087	sub show {	2018	sub show {
1088	my ($self) = @_;	2019	my ($self) = @_;
1089		2020
1090	local $urxvt::popup::self = $self;	2021	local $urxvt::popup::self = $self;
1091		2022
1092	urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,	2023	my $env = $self->{term}->env;
		2024	# we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
		2025	delete $env->{LC_ALL};
		2026	$env->{LC_CTYPE} = $self->{term}->locale;
		2027
		2028	my $term = urxvt::term->new (
		2029	$env, "popup",
		2030	"--perl-lib" => "", "--perl-ext-common" => "",
		2031	"-pty-fd" => -1, "-sl" => 0,
		2032	"-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1093	"--transient-for" => $self->{term}->parent,	2033	"--transient-for" => $self->{term}->parent,
		2034	"-display" => $self->{term}->display_id,
1094	"-pe" => "urxvt-popup")	2035	"-pe" => "urxvt-popup",
1095	or die "unable to create popup window\n";	2036	) or die "unable to create popup window\n";
		2037
		2038	unless (delete $term->{urxvt_popup_init_done}) {
		2039	$term->ungrab;
		2040	$term->destroy;
		2041	die "unable to initialise popup window\n";
		2042	}
1096	}	2043	}
1097		2044
1098	sub DESTROY {	2045	sub DESTROY {
1099	my ($self) = @_;	2046	my ($self) = @_;
1100		2047
		2048	delete $self->{term}{_destroy}{$self};
1101	$self->{term}->ungrab;	2049	$self->{term}->ungrab;
1102	}	2050	}
		2051
		2052	=back
		2053
		2054	=cut
		2055
		2056	package urxvt::watcher;
1103		2057
1104	=head2 The C<urxvt::timer> Class	2058	=head2 The C<urxvt::timer> Class
1105		2059
1106	This class implements timer watchers/events. Time is represented as a	2060	This class implements timer watchers/events. Time is represented as a
1107	fractional number of seconds since the epoch. Example:	2061	fractional number of seconds since the epoch. Example:
…		…
1111	->new	2065	->new
1112	->interval (1)	2066	->interval (1)
1113	->cb (sub {	2067	->cb (sub {
1114	$term->{overlay}->set (0, 0,	2068	$term->{overlay}->set (0, 0,
1115	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);	2069	sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1116	});	2070	});
1117		2071
1118	=over 4	2072	=over 4
1119		2073
1120	=item $timer = new urxvt::timer	2074	=item $timer = new urxvt::timer
1121		2075
…		…
1124		2078
1125	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2079	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1126		2080
1127	Set the callback to be called when the timer triggers.	2081	Set the callback to be called when the timer triggers.
1128		2082
1129	=item $tstamp = $timer->at
1130
1131	Return the time this watcher will fire next.
1132
1133	=item $timer = $timer->set ($tstamp)	2083	=item $timer = $timer->set ($tstamp[, $interval])
1134		2084
1135	Set the time the event is generated to $tstamp.	2085	Set the time the event is generated to $tstamp (and optionally specifies a
		2086	new $interval).
1136		2087
1137	=item $timer = $timer->interval ($interval)	2088	=item $timer = $timer->interval ($interval)
1138		2089
1139	Normally (and when C<$interval> is C<0>), the timer will automatically	2090	By default (and when C<$interval> is C<0>), the timer will automatically
1140	stop after it has fired once. If C<$interval> is non-zero, then the timer	2091	stop after it has fired once. If C<$interval> is non-zero, then the timer
1141	is automatically rescheduled at the given intervals.	2092	is automatically rescheduled at the given intervals.
1142		2093
1143	=item $timer = $timer->start	2094	=item $timer = $timer->start
1144		2095
1145	Start the timer.	2096	Start the timer.
1146		2097
1147	=item $timer = $timer->start ($tstamp)	2098	=item $timer = $timer->start ($tstamp[, $interval])
1148		2099
1149	Set the event trigger time to C<$tstamp> and start the timer.	2100	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2101	also replaces the interval.
		2102
		2103	=item $timer = $timer->after ($delay[, $interval])
		2104
		2105	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1150		2106
1151	=item $timer = $timer->stop	2107	=item $timer = $timer->stop
1152		2108
1153	Stop the timer.	2109	Stop the timer.
1154		2110
…		…
1160		2116
1161	$term->{socket} = ...	2117	$term->{socket} = ...
1162	$term->{iow} = urxvt::iow	2118	$term->{iow} = urxvt::iow
1163	->new	2119	->new
1164	->fd (fileno $term->{socket})	2120	->fd (fileno $term->{socket})
1165	->events (1) # wait for read data	2121	->events (urxvt::EV_READ)
1166	->start	2122	->start
1167	->cb (sub {	2123	->cb (sub {
1168	my ($iow, $revents) = @_;	2124	my ($iow, $revents) = @_;
1169	# $revents must be 1 here, no need to check	2125	# $revents must be 1 here, no need to check
1170	sysread $term->{socket}, my $buf, 8192	2126	sysread $term->{socket}, my $buf, 8192
…		…
1183	Set the callback to be called when io events are triggered. C<$reventmask>	2139	Set the callback to be called when io events are triggered. C<$reventmask>
1184	is a bitset as described in the C<events> method.	2140	is a bitset as described in the C<events> method.
1185		2141
1186	=item $iow = $iow->fd ($fd)	2142	=item $iow = $iow->fd ($fd)
1187		2143
1188	Set the filedescriptor (not handle) to watch.	2144	Set the file descriptor (not handle) to watch.
1189		2145
1190	=item $iow = $iow->events ($eventmask)	2146	=item $iow = $iow->events ($eventmask)
1191		2147
1192	Set the event mask to watch. Bit #0 (value C<1>) enables watching for read	2148	Set the event mask to watch. The only allowed values are
1193	data, Bit #1 (value C<2>) enables watching for write data.	2149	C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
		2150	together, or C<urxvt::EV_NONE>.
1194		2151
1195	=item $iow = $iow->start	2152	=item $iow = $iow->start
1196		2153
1197	Start watching for requested events on the given handle.	2154	Start watching for requested events on the given handle.
1198		2155
1199	=item $iow = $iow->stop	2156	=item $iow = $iow->stop
1200		2157
1201	Stop watching for events on the given filehandle.	2158	Stop watching for events on the given file handle.
		2159
		2160	=back
		2161
		2162	=head2 The C<urxvt::iw> Class
		2163
		2164	This class implements idle watchers, that get called automatically when
		2165	the process is idle. They should return as fast as possible, after doing
		2166	some useful work.
		2167
		2168	=over 4
		2169
		2170	=item $iw = new urxvt::iw
		2171
		2172	Create a new idle watcher object in stopped state.
		2173
		2174	=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
		2175
		2176	Set the callback to be called when the watcher triggers.
		2177
		2178	=item $timer = $timer->start
		2179
		2180	Start the watcher.
		2181
		2182	=item $timer = $timer->stop
		2183
		2184	Stop the watcher.
		2185
		2186	=back
		2187
		2188	=head2 The C<urxvt::pw> Class
		2189
		2190	This class implements process watchers. They create an event whenever a
		2191	process exits, after which they stop automatically.
		2192
		2193	my $pid = fork;
		2194	...
		2195	$term->{pw} = urxvt::pw
		2196	->new
		2197	->start ($pid)
		2198	->cb (sub {
		2199	my ($pw, $exit_status) = @_;
		2200	...
		2201	});
		2202
		2203	=over 4
		2204
		2205	=item $pw = new urxvt::pw
		2206
		2207	Create a new process watcher in stopped state.
		2208
		2209	=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
		2210
		2211	Set the callback to be called when the timer triggers.
		2212
		2213	=item $pw = $timer->start ($pid)
		2214
		2215	Tells the watcher to start watching for process C<$pid>.
		2216
		2217	=item $pw = $pw->stop
		2218
		2219	Stop the watcher.
1202		2220
1203	=back	2221	=back
1204		2222
1205	=head1 ENVIRONMENT	2223	=head1 ENVIRONMENT
1206		2224
…		…
1209	This variable controls the verbosity level of the perl extension. Higher	2227	This variable controls the verbosity level of the perl extension. Higher
1210	numbers indicate more verbose output.	2228	numbers indicate more verbose output.
1211		2229
1212	=over 4	2230	=over 4
1213		2231
1214	=item =0 - only fatal messages	2232	=item == 0 - fatal messages
1215		2233
1216	=item =3 - script loading and management	2234	=item >= 3 - script loading and management
1217		2235
1218	=item =10 - all events received	2236	=item >=10 - all called hooks
		2237
		2238	=item >=11 - hook return values
1219		2239
1220	=back	2240	=back
1221		2241
1222	=head1 AUTHOR	2242	=head1 AUTHOR
1223		2243
1224	Marc Lehmann <pcg@goof.com>	2244	Marc Lehmann <schmorp@schmorp.de>
1225	http://software.schmorp.de/pkg/rxvt-unicode	2245	http://software.schmorp.de/pkg/rxvt-unicode
1226		2246
1227	=cut	2247	=cut
1228		2248
1229	1	2249	1
		2250
		2251	# vim: sw=3:

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